baber/WOPTO huggingface dataset:
Patent JP-H08118938-A (JP)
Title: Residual pressure valve for vehicle height regulator
Inventor: TAKAIWA KIYOYUKI
IPC: F16K31/126
Filed: 1994-10-21
Abstract: PURPOSE: To prevent the internal pressure in an air spring from reduction by energizing a pressure holding valve element to open when the pressure in the air spring becomes lower than a predetermined value and opening a check valve in a compressed air replenishing path to replenish the compressed air having the pressure approximate to the predetermined value when the pressure is further reduced. CONSTITUTION: A residual pressure valve 7 is interposed between a levelling valve 3 and air spring (AS) 2. The remaining valve 7 is provided with a housing 14 and diphragm-shaped residual pressure holding valve element 15 received in the housing 14 to close the residual pressure holder 15 with a compression spring 16 and hold the residual pressure in the AS2 at a predetermined value when the pressure in the AS2 is reduced to the predermined value. Also, when the pressure is reduced further lower than the predetermined value, check valve element 29 placed on the way of a replenishing path 19 for replenishing compressed air is opened by predetermined replenishing pressure to supply the compressed air in the AS2. Thus, the internal pressure in the AS2 can be maintained at the predetermined value.
Patent JP-H0995771-A (JP)
Title: Window material for vacuum device
Inventor: YAMAMOTO MASATAKE
IPC: C23C14/18
Filed: 1995-10-03
Abstract: PROBLEM TO BE SOLVED: To improve a resistance to fluorine plasma without damaging transparency and heat resistance in a window material for introducing a microwave in a vacuum device such as heat/plasma CVD device. SOLUTION: A ground layer consisting of a material having a coefficient of thermal expansion which is substantially same as that of a component of the window material 2 made of a transparent ceramic such as molten quartz glass or larger than that of the component of the window material 2 and lower than that of an amorphous Al2 O3 is formed on a surface of the window material the inside of a chamber 1. Moreover, a substantially amorphous Al2 O3 film is coated as an upper layer.
Patent JP-2001081590-A (JP)
Title: High current density electrolysis method for copper
Inventor: YOKOTA TOSHIKO
IPC: C25C1/12
Filed: 1999-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a high current density electrolysis method by which the generation of the passivation of an anode, the deposition of slime onto the surface of a cathode, the formation of knobs (granular copper) and wrinkly ruggedness on the surface of the cathode are eliminated, and moreover, the production increase of copper high in purity is made possible without increasing electrolytic cells. SOLUTION: In an electrolytic refining for copper using crude copper as an anode, the temperature of an electrolytic solution is held to >=55 deg.C, the electrolytic solution is continuously flowed in from the upper part of an electrolytic cell and is continuously flowed out from the bottom part together with slime, the electrolytic solution, from which the slime is removed, is circulated through the electrolytic cell, and the electrolytic solution is passed through the space between electrodes at the average flow velocity sufficient for flowing the electrolytic solution downwardly in the whole surface of the cathode contrary to the upward natural convection of the electrolytic solution generated on the surface of the cathode in the case electrolytis is started in a state in which the electrolytic solution stands still.
Patent JP-H01100300-A (JP)
Title: Plating solution washing device for barrel plating device
Inventor: HIRABAYASHI MASAFUMI
IPC: C25D17/20
Filed: 1987-10-12
Abstract: PURPOSE:To facilitate the control of a plating soln. by providing a mechanism by which locus movement of a barrel carriers is enabled to a plating soln. washing device for a barrel plating device and by integrating the washing device with a washing liq. feeding mechanism to prevent the plating soln. in a tank from being brought into other tank. CONSTITUTION:A barrel 1 contg. plated parts in a plating soln. 4 is suspended from a barrel carrier 5 and subjected to locus movement from a tank 3 to other tank. A washing liq. 7 is then poured on the surface of the barrel 1 from nozzles 8 fitted to the carrier 5 by a washing liq. feeding mechanism 9 to wash the plating soln. 4 sticking to the barrel 1 and remaining in the barrel 1 off the barrel 1. The plating soln. 4 is prevented from being brought into other plating tank and the control of the soln. 4 is facilitated.
Patent JP-2001078889-A (JP)
Title: Heating device
Inventor: MATSUOKA TOMOMI
IPC: F21V9/08
Filed: 1999-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a safe heating device which is capable of heating an object for heating by supplying heat energy to this object with high efficiency while using electric power as an energy source. SOLUTION: This heating device has a heater section provided with a concave reflection mirror which is disposed in a lamp houses and opens upward, a halogen incandescent electric lamp which is arranged in this concave reflection mirror and a glare preventive member which lessens the glare of the light radiated from the incandescent electric lamp to its ambient. The heating device is adequate as a heater for a siphon type coffee maker. The glare preventive member is composed of a translucent filter which is formed on the outside surface of the bulb of the incandescent electric lamp, is disposed to enclose the circumference of a wavelength conversion film for absorbing visible light and radiating IR rays and the incandescent electric lamp and absorbs the visible light.  The heating device is constituted to have a base case having a horizontal surface atop the case on which a supporting sand for the heating object is placed.
Patent JP-H01100723-A (JP)
Title: Multi-element thin film magnetic head
Inventor: KATAHASHI HISASHI
IPC: G11B5/31
Filed: 1987-10-14
Abstract: PURPOSE:To always obtain a low crosstalk against a wide range of amplifier resistance by setting an upper magnetic core in common for all tracks with at least a lower magnetic core on one side at the rear side of a core connecting part, and separating the main magnetic path parts of the upper and lower cores at every track. CONSTITUTION:The upper magnetic core 1 consisting of a CoNbZn film is formed on an insulating layer 11, and a magnetic gap 4 is interposed in the insulating layer 11 on the lower magnetic core 2 on the medium sliding plane 7 side of the upper magnetic core 1. Meanwhile, the upper magnetic core 1 is connected magnetically to the lower magnetic core 2 at the core connecting part 5 on the rear side. Also, an adjacent magnetic head device 9 is constituted similarly as a magnetic head device 8, and each lower magnetic core 2 of the magnetic head devices 8 and 9 is connected with each other in a sheet shape at the rear side of the core connecting part 5, and is used in common. Meanwhile, the main magnetic path parts of the upper and lower magnetic cores 1 and 2 are separated at every track. In such a way, it is possible to reduce the crosstalk between the cores 1 and 2, and to obtain the low crosstalk for the wide range of amplifier resistance.
Patent JP-2001079482-A (JP)
Title: Ultraviolet irradiation method
Inventor: SHIMAKURA TAKESHI
IPC: B05D3/06
Filed: 1999-09-10
Abstract: PROBLEM TO BE SOLVED: To simply control irradiance of ultraviolet rays irradiated on an irradiation object matter in a short time. SOLUTION: In a method of irradiating an irradiation object matter 30 with ultraviolet rays by arranging a plurality of tubular ultraviolet lamps 1 in parallel with each other along a transfer direction of the irradiation object matter 30 and irradiating the irradiation object matter 30 transferred downward with the ultraviolet rays, irradiance distribution of the ultraviolet rays irradiated on the irradiation object matter 30 is controlled to a desired value (e.g. approximately uniform) by controlling the intensity of light of each ultraviolet ray lamp 11 by a power output regulator 12. Among the ultraviolet lamps 11 arranged in parallel with each other, particularly two of the lamps having a line of symmetry coinciding with a centerline of a lamp house 10 are controlled as a set.
Patent JP-H0659377-A (JP)
Title: Nonprefogged internal latent image type direct positive silver halide emulsion and color diffusion transfer photographic film unit using same
Inventor: HIRANO KATSUMI
IPC: G03C1/015
Filed: 1992-08-10
Abstract: PURPOSE:To provide the core/shell type direct positive flat silver halide emulsion high in an S/N and containing parallel twin crystals by reducing internal fog and most suitably arranging photosensitive nuclei on the surface of the core and sensitizing nuclei on the surface of the shell in preparing the emulsion and to enhance sensitivity and to lower minimum density of the color diffusion transfer photographic film unit by using this emulsion. CONSTITUTION:The production of the core/shell type direct positive emulsion is characterized by using, as a peptizer, a polymer having repeating units each derived from ethylenically unsaturated monomer having at least one kind of thioether structure on the side chain. This emulsion contains the flat silver halide grains in which >=60% of the projection areas of the total silver halide grains have an aspect ratio of >=1.5 and the parallel twin crystals, are contained, and the color diffusion transfer photographic film unit is produced by using this emulsion.
Patent JP-H05223053-A (JP)
Title: Variable displacement-quantity fluid pressure motor, fluid pressure transmission machine and driving device for four-wheel drive automobile using said machine
Inventor: JIEEMUZU BAAKAA SHIITSU
IPC: F03C1/253
Filed: 1992-09-02
Abstract: PURPOSE: To provide multi-staged speed control for a hydraulic motor by providing a pair of hydraulic displacement units having rotary swashplates angularly positionable by fluid driven type servo mechanisms respectively on a common output shaft with separated ends. CONSTITUTION: A hydraulic motor used in a power transmission comprises a pair of hydraulic displacement units 46, 48 arranged on a common shaft. The units 46, 48 have rotary swashplates 50, 54 angularly positionable by fluid driven type servo mechanisms 52, 56 controlled by a common motor displacement control device. Rotary force is outputted on output shafts 78, 118 by the reciprocating movement of pistons 98, 134 abutting the rotary swashplates 50, 54 in cylinders 74, 116. The internal ends of the output shafts 78, 118 are connected by a cylindrical shaft joint 156 to become integrated. The respective servo pistons of the servo mechanisms 52, 56 are connected to the rotary swashplates 50, 54 via mechanical link mechanisms 159a, 159b.
Patent JP-H03120916-A (JP)
Title: Tuner circuit
Inventor: HATASHITA HIROSHI
IPC: H04B1/26
Filed: 1989-10-04
Abstract: PURPOSE:To reduce the circuit scale and to realize a tuner circuit with excellent performance by adopting one band constitution for a VHF high frequency amplifier circuit where no band changeover by a switching diode is not implemented. CONSTITUTION:A trap comprising series connection between a varactor diode 37 and a coil 44 is provided at a frequency higher than the tuning frequency and a trap comprising series connection between a varactor diode 39 and a coil 42 is provided at a frequency lower than the tuning frequency. Even when a low band and a high band are received as one band, the low band signal is much attenuated, and the low band signal is much attenuated at the reception of the high band thereby preventing interference by the respective low band signal. Thus, one band constitution is adopted for the VHF high frequency amplifier circuit to reduce number of components, thereby forming the tuner with excellent performance and the less number of components by improving the interference preventing capability.
Patent JP-H08122258-A (JP)
Title: Nitric acid ion analyzer
Inventor: KUNIMATSU MIYUKI
IPC: G01N21/77
Filed: 1994-10-24
Abstract: PURPOSE: To reduce labor in analytical operation, and reduce analytical cost by contacting a sample solution with a reducing column while sucking and delivering the sample solution and a reacting liquid, and automatically analyzing both a nitric acid ion and a nitrous acid ion. CONSTITUTION: The passage of a passage switching valve 9 is put on the reducing column 11 side, and the passage of a three-way valve 10a is put on the needle 5 side, and the needle 5 is put in a sample solution in a sample solution vessel 6a, and sucks a fixed quantity. The sucked sample solution is passed through the inside of the column 11. Next, the needle 5 is put in a sample solution vessel 6b, and delivers the sample solution after reduction, and it is moved to a needle cleaning port 3, and the outside of the needle 5 is cleaned. Next, the needle 5 is put in a reacting liquid in a reactor vessel 7, and sucks a fixed quantity, and is put in the vessel 6b, and delivers the reacting liquid, and it is reacted with the sample solution after reduction. After the outside of the needle 5 is cleaned, it is put in the vessel 6b, and sucks a reaction product.  The sucked reaction product is delivered to the flow cell 2 of a detector 1, and the concentration is calculated from signal strength, and it is outputted.
Patent JP-S61134879-A (JP)
Title: Picture processing unit
Inventor: SHIMOTSUJI NARIYOSHI
IPC: G06T1/60
Filed: 1984-12-06
Abstract: PURPOSE:To retrieve simply and efficiently the result of processing of a desired picture part by providing a reference memory storing an address data and in which an address corresponding to an address of a picture obtaining information has written information. CONSTITUTION:In obtaining the result of processing of a picture for a specific area, representative point addresses (X,Y) of the specific area are designated. The address corresponding to the said addresses (X,Y) of a reference work memory 4 is accessed by the address designation and data (address data corresponding to a table memory 3) stored in the address is read. Thus, the table memory 3 is accessed by the address data read from the reference work memory and the result of processing to a picture of the said specific area stored in the said address is read from the table memory 3.
Patent JP-2001085573-A (JP)
Title: Method for forming conductor pattern and electronic part
Inventor: ITAKURA HIDEAKI
IPC: H01L23/12
Filed: 1999-09-13
Abstract: PROBLEM TO BE SOLVED: To eliminate insufficient inter-line insulation and defect in a conductor pattern by forming a glass ceramic layer underlying a fine conductor pattern by semi-additive method on a ceramic substrate. SOLUTION: A conductor pattern 2 of tungsten or molybdenum and via holes 3 are formed in each layer 1a, 1b,... of a ceramic substrate 1 comprising oxide based or nonoxide based ceramic while taking account of the firing temperature of the substrate. A glass ceramic layer 4 is formed on an SiO2, CaO or Al2O3 based ceramic substrate 1 and the surface side thereof is roughened with hydrofluoride ammonium to provide a region 4a. A two-layer structure conductor pattern 5 comprising an electroless plating layer 5a and an electroplating layer 5b is then formed on the glass ceramic layer 4 through the roughened region 4a.  Thereafter, the roughened region on the glass ceramic layer 4 is removed completely from the space part between the conductor patterns 5 through a soft etching process thus leaving no electroless plated layer 5a in the roughened region on the glass ceramic layer 4 at the space part.
Patent JP-2001082414-A (JP)
Title: Hydraulic cylinder rod cover for hydraulic shovel
Inventor: NAKAZONO SUSUMU
IPC: E02F9/00
Filed: 1999-09-13
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic cylinder rod cover for protecting the whole circumference of the cylinder rod of the driving hydraulic cylinder of a hydraulic shovel so as not to be damaged by mistake, which can be preliminarily provided in the assembling of the hydraulic shovel and also installed to the driving hydraulic cylinder of an existing hydraulic shovel. SOLUTION: This hydraulic cylinder rod cover 1 for hydraulic shovel is formed of a steel tubular cover 18 having one end 19 mounted on the tip mount part 11 of the cylinder rod 9 of a hydraulic cylinder 8 for driving the boom 2, arm 3, or bucket 5 of a hydraulic shovel or a cutter 7 and the other free end 20. The tubular cover 18 has a length capable of storing the whole length of the cylinder rod 9 extended to the maximum and extending the other end 20 to the rod receiving part 16 of a cylinder tube 10 and a diameter capable of storing the cylinder tube 10 and a hydraulic pipe 17.
Patent JP-H07113717-A (JP)
Title: Airtightness testing device
Inventor: FUKAI NAOKI
IPC: G01M3/10
Filed: 1993-10-15
Abstract: PURPOSE:To make possible an airtightness test in a short time by installing a bubble collecting hood from the position above a work in such a manner that the hood can freely be offset. CONSTITUTION:At start of an airtightness test, an actuator is operated si that a work W is held in a jig 21 by means of a clamping jaw 23. Then, an elevating platform is lowered by the operation of an elevating cylinder, and the work W is immersed, while the inside of the work W is pressurized. When the immersion of the work W is finished, a pump 43 is operated so that bubbles adhering on the surface of the work W and the jig 21 are eliminated by water-jet injected from the first nozzle 41. Subsequently, the operation of the pump 43 is stopped, while a bubble collecting part 33 is moved to a set position above the work W by operating an offset cylinder 31, and after the predetermined time until the water flow due to the movement of the bubble collecting part 33 is settled, the detection of bubbles by the bubble sensor 33d is started.
Patent JP-H02105533-A (JP)
Title: Manufacture of semiconductor device
Inventor: KODA TSUNEMITSU
IPC: H01L21/321
Filed: 1988-10-14
Abstract: PURPOSE:To sharply reduce the cost by a chemical process by mechanically forming a bump on an electrode of a semiconductor device using a metal ball. CONSTITUTION:Application of high voltage between a metal fine wire 1 and an electrode bar 3 produces electrical discharge. Hereby, the metal fine wire 1 is heated to form a metal ball 4 on the tip thereof. Once the metal ball 4 is pressed on and joined with an electrode 5 comprising Al or the like provided on a semiconductor device 6 through a tool 2, the metal ball 4 is shaped into a hemispherical metal 7 and fixed. Thereafter, as lateral vibration is applied to the tool 2 and stress is applied in concentration to a joint portion A between the hemispherical metal 7 and the metal fine wire 1 and thereafter tension is applied to the metal fine wire 1, the metal fine wire 1 is broken and separated away from the joint portion A and hence a bump 8 is formed on the electrode 5 of the semiconductor device 6. Hereby, any bump can easily be formed without use of a photolithography process a plurality of times.
Patent JP-H08121032-A (JP)
Title: Edge member for wooden main-entrance door
Inventor: FUKUI HIDEAKI
IPC: E06B3/74
Filed: 1994-10-24
Abstract: PURPOSE: To prevent an edge member from being deformed, by a method wherein side face members made of a pure wood each are provided at both side ends of a core member made of a laminated wood, and facing veneers each are arranged on the surface and rear sides thereof, and if the need arises, water-proof sheets are each provided between specified parts. CONSTITUTION: Expansion, geometric distortion, and warp are lessened since a core member 2 is made of a laminated wood, and the core member 2 is made at a low cost as compared with a conventional core member made of a pure wood. The end part of an edge member is roundly wrought without difficulty by using a pure wood member 4 and the external appearance thereof is improved. Furthermore, the warp in the cross direction of the edge member is prevented by making the direction of the laminated surfaces of the core member 2, parallel to facing veneers 1, or the warp in the direction of thickness is prevented by making the direction of the laminated surfaces thereof, perpendicular to the facing veneers 1, or these processes are combined.  Water-proof sheets 5 each are provided between the laminated surfaces of the core member 2, between the core member 2 and a side veneer 3, and between the core member 2 and the pure wood member 4, and water is prevented from permeating through the side of the edge member. Furthermore, a phenol resin or polyethlene resin is used as the material for the sheet 5, and adhesion and durability are improved. In this way, the edge member is prevented from being deformed and the durability can be improved.
Patent JP-S61134688-A (JP)
Inventor: FUKUMOTO SHINTARO
IPC: G21B1/00
Filed: 1984-12-06
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H02108404-A (JP)
Title: Diagnosing device for abnormality in rolling mill
Inventor: TERADO SADAMU
IPC: B21B38/00
Filed: 1988-10-17
Abstract: PURPOSE:To early detect improper rolls during operation by inputting a range of frequencies to be searched from a spectrum searching range arithmetic unit and indicating the improper rolls by inputting a power spectrum from a Fourier transform arithmetic unit. CONSTITUTION:A spectrum searching range arithmetic unit 9 finds upper and lower limit values of a double wave easily generated in a case in which work rolls 2a, 2b are in an eccentric condition and also finds upper and lower limit values to be searched of a frequency range of a fundamental wave and upper and lower limit values of a double wave of backup rolls 31, 3b based on a max. and min. values of rolling speeds V1-V5 of respective stands 1. A power spectrum h(f) outputted from a high speed Fourier transform arithmetic unit 8 and upper and lower limit values of respective fundamental waves and double waves of the rolls 2a, 2b and backup rolls 3a, 3b are inputted to an improper roll extraction unit 10. The unit 10 searches a power spectrum in respective searching ranges, checks values beyond an allowable level, and decides and indicates improper rolls.
Patent JP-H03141147-A (JP)
Title: Production of slaking-resistant calcia clinker
Inventor: IKUHARA YUKIO
IPC: C01F11/06
Filed: 1990-09-28
Abstract: PURPOSE:To reduce energy consumption and to improve slaking resistance and hot characteristics by coating a calcined product of a mixture containing coarsely granular calcareous raw material and/or dolomite and a sintering promoter in a specific ratio with a slaking-resistant metallic oxide flame spray coating. CONSTITUTION:100 pts.wt. coarsely granular calcareous raw material and/or dolomite having 1-10mm particle diameter is blended with 0.2-2 pts.wt. sintering promoter. The mixture is calcined at >=1,500 deg.C to give clinker. Then, during or after cooling, the surface of the clinker is covered with a metallic oxide having high melting point and high slaking resistance by flame spray coating.
Patent JP-H05102682-A (JP)
Title: Electronic apparatus
Inventor: TANZAWA TORU
IPC: H05K7/14
Filed: 1991-10-07
Abstract: PURPOSE:To provide an electronic apparatus which has excellent operability, easy mounting and dismounting of an inner element and allows direct inputting of various inputs. CONSTITUTION:The electronic apparatus comprises a front surface display operation unit 10 having vertical display unit 11 and an operation key 12, a main board 30 having a printed board 36, a front bracket 31, a front connector 33 and a rear connector 38, a parallel link unit 20 having a first attitude in which the operation unit is brought into close contact with the front bracket and a second attitude in which the operation unit is separated from the front bracket and the front connector is exposed, a board guide 41 for guiding the board in contact with the side of the board, a board connector to be connected to the rear connector, and an L-shaped support 40 having a backboard 43 for connecting terminals of the board connector to a bus.